Remove salt aux kwargs in wait_for_api_ready

we do this in any other method in send decorator, but this function
is not using that decorator

Closes-Issue: PROD-35762
Change-Id: I4555e12292166740be32f8032fa89ab977c4ce70
diff --git a/_modules/neutronv2/common.py b/_modules/neutronv2/common.py
index 88c08b6..232112b 100644
--- a/_modules/neutronv2/common.py
+++ b/_modules/neutronv2/common.py
@@ -120,7 +120,11 @@
     return wrap
 
 def wait_for_api_ready(cloud_name, retries=1, retry_timeout=10, **kwargs):
-
+    # Remove salt internal kwargs
+    kwarg_keys = list(kwargs.keys())
+    for k in kwarg_keys:
+        if k.startswith('__'):
+            kwargs.pop(k)
     adapter = _get_raw_client(cloud_name)
     response = None
     for i in range(1, retries+1):